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Finding the Fourth Proportional to 58,598.36, 80,812.58 and 38,447.58

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Solution

The fourth proportional to 58,598.36, 80,812.58 and 38,447.58 is: 53,022.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,598.36 : 80,812.58 = 38,447.58 : x
  2. Step 2: Convert to fraction form
    58,598.36/80,812.58 = 38,447.58/x
  3. Step 3: Cross multiply
    58,598.36x = 80,812.58 × 38,447.58
  4. Step 4: Simplify right side
    58,598.36x = 3,107,047,942.32
  5. Step 5: Solve for x
    x = 3,107,047,942.32/58,598.36
  6. Step 6: Final answer
    x = 53,022.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.